If you are looking for a way to label lockers, consider locker number plates. These products are usually attached with black plastic push rivets. They are easily applied to the locker without the use of tools. Two rivets are required for each number plate. They are available in different sizes. You can find them at any hardware store. For more details about the company, visit the website machineplatesonline.com Call us 262-369-5800 or mail us at [email protected] for more details.